Insects in Great Britain. 261 
Svrphus sp.?, s. h. (8) Rhingia rostrata L., s. h. (9) Syritta pipiens 
L., s. h. 
VERBENACEAE : 42. Verbena officinalis L. [Class B, Lit. 
1, 2, 3, 4, 11, 17, 18, &c.] Observed in the Botanic Garden, 
on a mass of plants growing wild beside the marjoram, 
July, 1892-3. 
Visitors. Depidoptera. Rhopalocera: (1) Lycaena icarus Rott., 
s. h. freq. Hymenoptera. Aculeata : Acutilingues : (2) Apis melli- 
fica L., s. h. freq. (3) Bombus muscorum L., s. h. freq. Diptera. 
Syrphidae : (4) Syrphus sp.?, s. h. (5) Platychirus sp. ?, s. h. 
ARALIACEAE : 43. Hedera Helix L. [Class A, Lit. 1, 3, 
4, 10, 11, 18, 258 b, 471 a, 599 A b, &c ] Observed in the 
Botanic Garden, on a large bed of ivy, and at Grantchester, 
Nov. 1894. 
Visitors. Depidoptera. Heterocera : I'ortricidae'. (1) one spec, un- 
named. Hymenoptera. Aculeata: Vespidae : Vespa vulgaris L., s. h. 
ab. Terebrantia : (3) to (7) five species. Diptera. Syrphidae : (8) 
Eristalis tenax L., s. h. freq. Mycetophilidae : (9) Sciara sp. ? (10) 
Bolitophila fusca Mg. Chironomidae : (11) Orthocladius sp. ? (12) 
Metriocnemus sp. ? Tachinidae : (13) Siphona geniculata Deg., s. h. 
Muscidae : (14) Lucilia sp. ?, s. h. (15) Calliphora erythrocephala 
Mg., very ab., s. h. (16) C. sepulchralis Mg., s. h. (17) Pollenia 
rudis F., ab. s. h. Anthomyiidae : (18) Polistes lardaria F. (19) Hye- 
todesia lucorum Fin. (20) Limnophora sp. ? (21) Trichophthicus 
cunctans Mg. (22) and (23) Anthomyia, two sp. Cordyluridae\ (24) 
Scatophaga stercoraria L., s. h. Ephydridae'. (25) Hydrellia griseola 
Fin. Drosophilidae : (26) Scaptomyza graminum Fin. Chloropidae : 
(27) Chloropisca ornata Mg. Phytomyzidae'. (28) Phytomyza sp. ? 
To these visitors may be added those of Medicago 
sativa , falcata, and lupulina , determined by one of us at 
Cambridge (Literat. No. 6). We thus obtain the following 
table : — 
